Cremona's table of elliptic curves

20776 = 2³ · 7² · 53

Field	Data	Notes
Atkin-Lehner	2+ 7- 53-	Signs for the Atkin-Lehner involutions
Class	20776d	Isogeny class
Conductor	20776	Conductor
∏ cp	16	Product of Tamagawa factors cp
Δ	-46578742025503744 = -1 · 210 · 78 · 534	Discriminant
Eigenvalues	2+  0  2 7- -4  2 -2  0	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,5341,-10382610]	[a1,a2,a3,a4,a6]
Generators	[2265199:46632580:4913]	Generators of the group modulo torsion
j	139863132/386633569	j-invariant
L	5.3642169283611	L(r)(E,1)/r!
Ω	0.1663186997415	Real period
R	8.0631596698062	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	41552j3 2968a4	Quadratic twists by: -4 -7

Hecke Eigenvalues for elliptic curve 20776d4

a2	a3	a5	a7	a11	a13	a17	a19	a23	a29	a31	a37	a41	a43	a47	a53	a59	a61	a67	a71	a73	a79	a83	a89	a97
+	0	2	-	-4	2	-2	0	4	-2	4	6	-2	-4	8	-	-12	-6	16	4	14	4	-16	6	-2

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Quadratic twists for elliptic curve 20776d4

-4	-7
41552j3	2968a4

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Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

Part of Computational Number Theory
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